Home / 1,458,045.52-2,187,182.46-393,071.28

Finding the Fourth Proportional to 1,458,045.52, 2,187,182.46 and 393,071.28

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Solution

The fourth proportional to 1,458,045.52, 2,187,182.46 and 393,071.28 is: 589,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,045.52 : 2,187,182.46 = 393,071.28 : x
  2. Step 2: Convert to fraction form
    1,458,045.52/2,187,182.46 = 393,071.28/x
  3. Step 3: Cross multiply
    1,458,045.52x = 2,187,182.46 × 393,071.28
  4. Step 4: Simplify right side
    1,458,045.52x = 859,718,609,145.75
  5. Step 5: Solve for x
    x = 859,718,609,145.75/1,458,045.52
  6. Step 6: Final answer
    x = 589,637.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.